Oh so you priced an unusual.

Big whoop, wanna fight aboout it?

Sold for a Strange Spec KS Aussie Stickybomb Launcher(~1.6 with Overpay)

http://backpack.tf/profiles/76561198069719067?time=1414911600 -> http://backpack.tf/profiles/76561198069719067?time=1415413965

Sold(maybe to a collector) for a Strange Pro KS Aussie Black Box(33 Keys, converted to 2.5)

http://www.tf2outpost.com/item/440,3163647143,174,5 Whoopee History

http://www.tf2outpost.com/item/440,3164672636,228,11 Black History

Strange Pro KS Aussie Black Box mini suggestion

All recent sales on the SCM(Keys = $2.49): http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Australium%20Black%20Box

$85.53

$68.99

$71.50

$74.95

$81.67

$74.89

$92.00

$83.55

$86.84

$91.86

$89.95

$86.01

$80.50

$86.31

$85.99

$94.71

$78.87

$83.81

$95.61

$81.11

$60.45

$72.87

$81.16

$88.68

$80.02

$86.04

$83.03

$83.61

The average comes out at $82.52(Roughly 33 Keys)

To back this up:

http://www.tf2outpost.com/trade/23437615 He got offers of 32 Keys and 2 Buds before.

http://www.tf2outpost.com/trade/24125773 Young seller at 33 Keys

Big range, I'm aware. However I've noticed that this is sorta good for new unusuals. Either way, two sales. Current owner probably won't resell, and it's 1 of 1. 1.6-2.5 should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.